EP 1494305 A3 20061018 - Seal structure for fuel cell separator
Title (en)
Seal structure for fuel cell separator
Title (de)
Dichtung für einen Brennstoffzellen Separator
Title (fr)
Structure d'étanchéité pour une separateur d'une pile à combustible
Publication
Application
Priority
JP 2003190094 A 20030702
Abstract (en)
[origin: EP1494305A2] A seal structure of separator for fuel cell comprising: two separators oppositely disposed with respect to one another, which have an electrode section, a manifold portion circulating fuel gas fed to said electrode portions, and a hole portion opposite to the manifold portions of the separators facing a passage grooves feeding fuel gas between said electrode portion and said manifold portion; a seal body, which is provided integrally on said separators and has a first seal portion to seal an area surrounding said electrode, said passage groove and said manifold portion, and a second seal portion to independently seal said hole portion; an electrolyte membrane, sandwiched between said two separators, having a size enough to include said electrode portion, said manifold portions and said hole portion, and having a shape with a through-hole on said manifold portion and at a position of said hole portion; and a gasket surrounding said manifold portion of said separators and straddling said passage groove to enable fuel gas to be distributed.
IPC 8 full level
H01M 8/02 (2006.01)
CPC (source: EP US)
H01M 8/0271 (2013.01 - EP); H01M 8/0273 (2013.01 - EP US); H01M 8/0276 (2013.01 - US); Y02E 60/50 (2013.01 - EP)
Citation (search report)
- [E] EP 1653540 A1 20060503 - HONDA MOTOR CO LTD [JP]
- [X] US 2002117780 A1 20020829 - INOUE MASAJIROU [JP], et al
- [X] WO 03007413 A1 20030123 - CERAMIC FUEL CELLS LTD [AU], et al
- [PX] WO 2004049483 A2 20040610 - GLOBAL THERMOELECTRIC INC [CA]
- [X] EP 0604683 A1 19940706 - BALLARD POWER SYSTEMS [CA]
- [Y] EP 1156546 A1 20011121 - BALLARD POWER SYSTEMS [CA]
- [Y] US 5527363 A 19960618 - WILKINSON DAVID P [CA], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL HR LT LV MK
DOCDB simple family (publication)
EP 1494305 A2 20050105; EP 1494305 A3 20061018; EP 1494305 B1 20120314; JP 2005026058 A 20050127; JP 4403735 B2 20100127
DOCDB simple family (application)
EP 04014787 A 20040624; JP 2003190094 A 20030702